The class comes up with different problems. Once group leader says, "The scarcity of food will be serious problem in the years ahead. It is true that our scarcity of food will be a serious problem in the years ahead. It si true that our agriculturists have developed new varieties of rice and its per acre production has definitely increased. But the rate of increase in food production cannot keep pace with the rate of population growth. This is because our land is fixed, i.e. We cannot increased it, while our population is increasing rapidly."